Replace the 20 year old water heater. It's past its life span. They now make more energy effecient water heaters which will lower your utility bill. Put a blanket around the new water heater while you're at it.
A light period is a menstrual cycle that is shorter and/or lighter than a woman's regular period. Women should familiarize themselves with their menstrual cycle, how many pads or tampons they use, and how long their periods last to quickly detect any changes in their periods.
A light-year (abbreviation: ly), sometimes written light year, is a unit of length used informally to express astronomical distances.It is approximately 9 trillion kilometres (or about 6 trillion miles).efinitions [edit]. As defined by the IAU, the light-year is the product of the Julian year (365.25 days as opposed to the 365.2425-day Gregorian year) and the speed of light (7008299792458000000â 299792458 m/s). Both these values are included in the IAU (1976) System of Astronomical Constants, used since 1984.